public class Example29 {
    public static void main(String[] args) {
        int[] arr = {9,8,3,5,2};
        System.out.println("冒泡排序前");
        printArray(arr);
       bubbleSort(arr);//调用冒泡排序
        System.out.println("冒泡排序后");
        printArray(arr);
    }
    public static void printArray(int[] arr){
        for (int i = 0; i < arr.length; i++) {
              System.out.print(arr[i] + "");
        }
        System.out.print("\n");
    }
public static void bubbleSort(int [] arr){
    for (int i = 0; i < arr.length-1; i++) {
        for (int j = 0; j < arr.length - i - 1; j++) {
            int temp = arr[j];
            if (arr[j]>arr[j+1]){
                arr[j] = arr[j+1];
                arr[j+1] = temp;
            }
        }
        System.out.print("第"+(i+1) + "轮排序后");
        printArray(arr);
    }
}
}
